Finding the Fourth Proportional to 8,143,552.14, 12,215,317.87 and 2,078,284.02
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Solution
The fourth proportional to 8,143,552.14, 12,215,317.87 and 2,078,284.02 is: 3,117,423.39
Step by Step Solution
- Step 1: Write the proportion equation
8,143,552.14 : 12,215,317.87 = 2,078,284.02 : x - Step 2: Convert to fraction form
8,143,552.14/12,215,317.87 = 2,078,284.02/x - Step 3: Cross multiply
8,143,552.14x = 12,215,317.87 × 2,078,284.02 - Step 4: Simplify right side
8,143,552.14x = 25,386,899,928,441.44 - Step 5: Solve for x
x = 25,386,899,928,441.44/8,143,552.14 - Step 6: Final answer
x = 3,117,423.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.